Home / 6,629.20-9,143.53-4,269.09

Finding the Fourth Proportional to 6,629.20, 9,143.53 and 4,269.09

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Solution

The fourth proportional to 6,629.20, 9,143.53 and 4,269.09 is: 5,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.20 : 9,143.53 = 4,269.09 : x
  2. Step 2: Convert to fraction form
    6,629.20/9,143.53 = 4,269.09/x
  3. Step 3: Cross multiply
    6,629.20x = 9,143.53 × 4,269.09
  4. Step 4: Simplify right side
    6,629.20x = 39,034,552.49
  5. Step 5: Solve for x
    x = 39,034,552.49/6,629.20
  6. Step 6: Final answer
    x = 5,888.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.